Home / 11,272.08-15,558.08-6,557.08

Finding the Fourth Proportional to 11,272.08, 15,558.08 and 6,557.08

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Solution

The fourth proportional to 11,272.08, 15,558.08 and 6,557.08 is: 9,050.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.08 : 15,558.08 = 6,557.08 : x
  2. Step 2: Convert to fraction form
    11,272.08/15,558.08 = 6,557.08/x
  3. Step 3: Cross multiply
    11,272.08x = 15,558.08 × 6,557.08
  4. Step 4: Simplify right side
    11,272.08x = 102,015,575.21
  5. Step 5: Solve for x
    x = 102,015,575.21/11,272.08
  6. Step 6: Final answer
    x = 9,050.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.